Secondary seal closure system for reconditioned drums



FIG. 1 is a top, perspective view of the secondary seal closure system showing our new design, in position on a drum head;

FIG. 2 is a bottom, perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a cross-section thereof along the plane of lines 7-7 of FIG. 3; and,

FIG. 8 is a cross-section thereof along the plane of lines 8-8 of FIG. 3.

Phantom lining, where utilized, is for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a secondary seal closure system for reconditioned drums, as shown and described. 